Accession No

6013

Brief Description

collection of protractors and set squares (10 in total, some in slip cases), by various, U.S.A. and English, mid-20th Century

Origin

U.S.A.; California; Berkeley [6013.2]; England; London or Manchester [6013.3]; Denmark [6013.4]; England [6013.5]; England [6013.7]; New Jersey; South Orange [6013.8]; London; W1; Tottenham Street; 7 Charlotte Mews [6013.9]

Maker

Labindustries [6013.2] J. Halden and Company Ltd. [6013.3] Linex [6013.4] Harrison’s and Company [6013.6] Stabiloid [6013.7] The Sillcocks-Miller Company [6031.8] Instrumental Devices Ltd. [6013.9]

Class

drawing; earth sciences; surveying

Earliest Date

1900

Latest Date

2000

Inscription Date

Material

plastic (several types); metal (steel, stainless steel, brass, others?); paper (cardboard, at least two other types)

Dimensions

largest: 523mm by 240mm; thickest: 15mm

Special Collection

Brian Harland collection

Provenance

Donated on or before 07/10/2004.

Inscription

(6013.2):
' ROTANGLE PROTRATOR
Dial the Angle Draw the Line' (along top edge)
'LABINDUSTRIES
PAT PENDING © R (?) 1975 BERKELEY, CALIFORNIA 94710' (bottom left corner)

(6013.3): 'J.HALDEN & CO LTD
LONDON & MANCHESTER' (top left quadrant)
'W.B.HARLAND' (scratched into the top left quadrant)
'MADE IN ENGLAND' (top right quadrant)
'ENGINE DIVIDED' (bottom semiscircle)

(6013.4): 'LINEX 71 F
DENMARK' (near centre of circle)

(6013.5)
'JRC TESTED' (on white plastic)
'THE “NEW FACILA”
UNIVERSAL SET SQUARE
DARGUE’S PAT.
MADE IN ENGLAND' (on clear yellow plastic)
'”NEW FACILA” UNIVERSAL
Size 10in. Quality “A”
Made in England.
Adjustable Set Square.' (on paper label on slip case)

(6013.6)
'“The Clinograph”
HARRISON’S PATENT' (along horizontal of obverse)
'HARRISON’S & Co' (along vertical of obverse)
'DX
TS' (written in pencil in bottom right corner of obverse)

(6013.7)
'STABLOID
TRADE MARK'
'MADE IN ENGLAND
45°' (both around the central hole)
'ABR' (scratched into plastic)

(6013.8)
' PRODUCT OF
THE SILLCOCKS-MILLER COMPANY
SOUTH ORANGE, N.J.' (on brown paper slip case)
'48.5 cm 500 Mils Protractor
WBHarland' (hand written and signed by Brian Harland on the slip case)
'THE SILLCOCKS-MILLER COMPANY
SOUTH ORANGE N. J.'

(6013.9)
'''MILITA'' ROMER
INSTRUMENTAL DEVICESLTD
7,CHARLOTTE MEWS,
TOTTENHAM ST. LONDON. W.I.'

Description Notes

6013.1: clear plastic parallel rule with brass hinges; length 310mm, width 68mm; mid 20th century; assigned D02 by Brian Harland

6013.2: clear plastic square protractor with moveable inner circle and two rulers along edges one for inches the other for centimeters; trigonometrical formulae in the corner; inscription in bottom left corner is faded but patent pending 1975 is legible; 178mm square; made by Labindustries; late 20th century; assigned D11 by Brian Harland

6013.3: transparent yellow plastic standard circular protractor; graduated twice 0-640; made by J. Halden & CO LTD; diameter 152mm; mid 20th century; assigned D 12 by Brian Harland

6013.4: transparent pale blue plastic circular protractor with various sized circles; diameter 115mm; made by Linex; mid 20th century; assigned D 16 by Brian Harland

6013.5: transparent pale yellow adjustable set square in cardboard slip case; steel screw to lock angle in place; length 330mm, width 166mm, thickness 15mm; mid 20th century; assigned D 16 by Brian Harland

6013.6 boxwood(?) clinograph with brass hinge; length 198mm, width 100mm; made by Harrison’s & CO; early/mid 20th century; assigned D 17 by Brian Harland

6013.7 tranparent plastic 45° set square with a triangular hole with circular points in the centre; length 431mm, width 215mm; mid/late 20th century; assigned D 18 by Brian Harland

6013.8 transparent plastic 48.5cm 500mils protractor with a circular hole, in brown paper slip case; length 523mm, width 236mm; made by the Sillcocks-Miller Company; late 20th century; assigned D 24 by Brian Harland

6013.9 transparent pale yellow small rectangular [rule?] with scales for 1/25000 in both meters and yards; length 76mm, width 63mm;made by Instrumental DevicesLTD; mid/late 20th century; assigned D 25 by Brian Harland

6013.10 transparent pale yellow geological protractor for plotting dip and strike with three brass pointers that rotate together and are separated by 90°; diameter 152mm; assigned G 08 by Brian Harland

References

Events